JPH03121603U - - Google Patents
Info
- Publication number
- JPH03121603U JPH03121603U JP3057390U JP3057390U JPH03121603U JP H03121603 U JPH03121603 U JP H03121603U JP 3057390 U JP3057390 U JP 3057390U JP 3057390 U JP3057390 U JP 3057390U JP H03121603 U JPH03121603 U JP H03121603U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- source bulb
- projector
- reflected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
第1図乃至第4図は本考案のプロジエクタ型前
照灯の一実施例を示し、第1図は模式的に描いた
垂直縦断面図、第2図は同じく正面図、第3図は
第2図のA−A断面図、第4図は投光パターン図
表である。第5図は公知例のプロジエクタ型前照
灯の説明図である。第6図乃至第8図は従来例の
プロジエクタ型前照灯を示し、第6図は平面図、
第7図は側面図、第8図は正面図である。第9図
及び第10図は上記従来例の光学的特性を示す図
表である。
1,1′……凹面鏡、1a……延長部、2……
光源バルブ、3……凸レンズ、3a……レンズ中
央部、3b……レンズ上部、3c……レンズ下部
、4,4′……シエード、4a……カツトライン
、4b……拡散反射面、5……補助反射鏡。
1 to 4 show an embodiment of the projector-type headlamp of the present invention, in which FIG. 1 is a schematic vertical cross-sectional view, FIG. 2 is a front view, and FIG. 3 is a schematic vertical sectional view. FIG. 2 is a sectional view taken along line AA, and FIG. 4 is a light projection pattern chart. FIG. 5 is an explanatory diagram of a known projector type headlamp. 6 to 8 show a conventional projector type headlamp, and FIG. 6 is a plan view;
FIG. 7 is a side view, and FIG. 8 is a front view. FIGS. 9 and 10 are charts showing the optical characteristics of the above-mentioned conventional example. 1, 1'...Concave mirror, 1a...Extension part, 2...
Light source bulb, 3...Convex lens, 3a...Lens center, 3b...Lens top, 3c...Lens bottom, 4, 4'...Shade, 4a...Cut line, 4b...Diffuse reflection surface, 5... Auxiliary reflector.
Claims (1)
の光源バルブから出射した光が反射鏡で反射され
てカツトラインを有するシエード近傍で焦点を結
び、凸レンズによつて前記反射光を前方に投射す
るプロジエクタ型の前照灯において、 前記反射鏡の下半部の少なくとも一部を前照灯
の前方に向けて、延長した形の延長反射面と、 前記光源バルブから出射して上記延長反射面で
反射された光束をシエードの上端部近傍に向けて
反射する補助反射鏡と、 上記シエードの上端部近傍に設けられて、上記
補助反射面で反射された光束を前記の凸レンズに
向けて反射させる拡散反射面と、を具備している
ことを特徴とする、プロジエクタ型前照灯。[Claims for Utility Model Registration] A light source bulb is installed near the focal point of a reflecting mirror, and the light emitted from the light source bulb is reflected by the reflecting mirror and focused near the shade having a cut line, and then A projector-type headlamp that projects reflected light forward, comprising: an extended reflective surface in which at least a portion of the lower half of the reflector is extended toward the front of the headlamp; and light emitted from the light source bulb. an auxiliary reflector for reflecting the light beam reflected by the extended reflective surface toward the vicinity of the upper end of the shade; A projector-type headlamp characterized by comprising a diffuse reflection surface that reflects light toward a convex lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3057390U JPH03121603U (en) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3057390U JPH03121603U (en) | 1990-03-27 | 1990-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03121603U true JPH03121603U (en) | 1991-12-12 |
Family
ID=31533283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3057390U Pending JPH03121603U (en) | 1990-03-27 | 1990-03-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03121603U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007027067A (en) * | 2005-07-21 | 2007-02-01 | Koito Mfg Co Ltd | Vehicular lighting fixture |
JP2007294203A (en) * | 2006-04-24 | 2007-11-08 | Koito Mfg Co Ltd | Vehicular headlamp |
-
1990
- 1990-03-27 JP JP3057390U patent/JPH03121603U/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007027067A (en) * | 2005-07-21 | 2007-02-01 | Koito Mfg Co Ltd | Vehicular lighting fixture |
US7748880B2 (en) | 2005-07-21 | 2010-07-06 | Koito Manufacturing Co., Ltd. | Vehicle lamp with overhead sign illumination |
JP4527623B2 (en) * | 2005-07-21 | 2010-08-18 | 株式会社小糸製作所 | Vehicle lighting |
JP2007294203A (en) * | 2006-04-24 | 2007-11-08 | Koito Mfg Co Ltd | Vehicular headlamp |
JP4669434B2 (en) * | 2006-04-24 | 2011-04-13 | 株式会社小糸製作所 | Vehicle headlamp |